Biomet 3i Implant Lab Analog 4.1mm Ref ILA20. This is the external hexed diameter 4.1 mm analog. Like new. Packaging maybe damaged but not opened. If you purchased this product in 2013 it would have cost as much as RRP £22.80 (INCL VAT). All our stock comes from people like you and me that have drawers full of left over implant parts and are happy to part with them for less.